The Ramparts of Ice

The Ramparts of Ice (氷の城壁) is a Japanese web manga series written and illustrated by Kōcha Agasawa. Starting as a webtoon, it was later serialized through Line's Line Manga digital service from January 2020 to April 2022. Shueisha started publishing it in collected volumes in July 2023.

Publication
Kōcha Agasawa started The Ramparts of Ice as a self-published webtoon for about two years before starting a serialization through Line's Line Manga digital service from January 10, 2020, to April 28, 2022. Shueisha started publishing the manga in print, with two volumes released on July 4, 2023. As of July 4, 2024, twelve volumes have been released.

Reception
Before its serialization, The Ramparts of Ice received a special prize at the "Shueisha Shōjo Manga Grand Prix Powered by Line Manga Indies 2018 Summer". It was first in the Comic Seymour Annual Ranking's josei manga category in 2022. It ranked second in AnimeJapan's sixth "Most Wanted Anime Adaptation" poll in 2023. It was nominated for the 69th Shogakukan Manga Award in 2023. It ranked fifteenth, along with The JoJoLands, on Takarajimasha's Kono Manga ga Sugoi! list of best manga of 2024 for male readers. It was ranked sixth in the Nationwide Bookstore Employees Recommended Comics of 2024 list.